xref: /netbsd/games/sail/pl_5.c (revision 6550d01e)
1 /*	$NetBSD: pl_5.c,v 1.25 2009/03/15 03:33:56 dholland Exp $	*/
2 
3 /*
4  * Copyright (c) 1983, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 #ifndef lint
34 #if 0
35 static char sccsid[] = "@(#)pl_5.c	8.1 (Berkeley) 5/31/93";
36 #else
37 __RCSID("$NetBSD: pl_5.c,v 1.25 2009/03/15 03:33:56 dholland Exp $");
38 #endif
39 #endif /* not lint */
40 
41 #include <ctype.h>
42 #include <signal.h>
43 #include <stdio.h>
44 #include <string.h>
45 #include "extern.h"
46 #include "player.h"
47 #include "display.h"
48 
49 #define turnfirst(x) (*x == 'r' || *x == 'l')
50 
51 static void parties(struct ship *, int *, int, int);
52 
53 void
54 acceptmove(void)
55 {
56 	int ta;
57 	int ma;
58 	bool af;
59 	bool moved = false;
60 	int vma, dir;
61 	char promptstr[60];
62 	char buf[60], last = '\0';
63 	char *p;
64 
65 	if (!mc->crew3 || snagged(ms) || !windspeed) {
66 		Msg("Unable to move");
67 		return;
68 	}
69 
70 	ta = maxturns(ms, &af);
71 	ma = maxmove(ms, mf->dir, 0);
72 	snprintf(promptstr, sizeof(promptstr),
73 		"move (%d,%c%d): ", ma, af ? '\'' : ' ', ta);
74 	sgetstr(promptstr, buf, sizeof buf);
75 	dir = mf->dir;
76 	vma = ma;
77 	for (p = buf; *p; p++)
78 		switch (*p) {
79 		case 'l':
80 			dir -= 2;
81 		case 'r':
82 			if (++dir == 0)
83 				dir = 8;
84 			else if (dir == 9)
85 				dir = 1;
86 			if (last == 't') {
87 				Msg("Ship can't turn that fast.");
88 				*p-- = '\0';
89 			}
90 			last = 't';
91 			ma--;
92 			ta--;
93 			vma = min(ma, maxmove(ms, dir, 0));
94 			if ((ta < 0 && moved) || (vma < 0 && moved))
95 				*p-- = '\0';
96 			break;
97 		case 'b':
98 			ma--;
99 			vma--;
100 			last = 'b';
101 			if ((ta < 0 && moved) || (vma < 0 && moved))
102 				*p-- = '\0';
103 			break;
104 		case '0':
105 		case 'd':
106 			*p-- = '\0';
107 			break;
108 		case '\n':
109 			*p-- = '\0';
110 			break;
111 		case '1': case '2': case '3': case '4':
112 		case '5': case '6': case '7':
113 			if (last == '0') {
114 				Msg("Can't move that fast.");
115 				*p-- = '\0';
116 			}
117 			last = '0';
118 			moved = true;
119 			ma -= *p - '0';
120 			vma -= *p - '0';
121 			if ((ta < 0 && moved) || (vma < 0 && moved))
122 				*p-- = '\0';
123 			break;
124 		default:
125 			if (!isspace((unsigned char)*p)) {
126 				Msg("Input error.");
127 				*p-- = '\0';
128 			}
129 		}
130 	if ((ta < 0 && moved) || (vma < 0 && moved)
131 	    || (af && turnfirst(buf) && moved)) {
132 		Msg("Movement error.");
133 		if (ta < 0 && moved) {
134 			if (mf->FS == 1) {
135 				send_fs(ms, 0);
136 				Msg("No hands to set full sails.");
137 			}
138 		} else if (ma >= 0)
139 			buf[1] = '\0';
140 	}
141 	if (af && !moved) {
142 		if (mf->FS == 1) {
143 			send_fs(ms, 0);
144 			Msg("No hands to set full sails.");
145 		}
146 	}
147 	if (*buf)
148 		strlcpy(movebuf, buf, sizeof(movebuf));
149 	else
150 		strlcpy(movebuf, "d", sizeof(movebuf));
151 	send_move(ms, movebuf);
152 	Msg("Helm: %s.", movebuf);
153 }
154 
155 void
156 acceptboard(void)
157 {
158 	struct ship *sp;
159 	int n;
160 	int crew[3];
161 	int men = 0;
162 	char c;
163 
164 	crew[0] = mc->crew1;
165 	crew[1] = mc->crew2;
166 	crew[2] = mc->crew3;
167 	for (n = 0; n < NBP; n++) {
168 		if (mf->OBP[n].turnsent)
169 			    men += mf->OBP[n].mensent;
170 	}
171 	for (n = 0; n < NBP; n++) {
172 		if (mf->DBP[n].turnsent)
173 			    men += mf->DBP[n].mensent;
174 	}
175 	if (men) {
176 		crew[0] = men/100 ? 0 : crew[0] != 0;
177 		crew[1] = (men%100)/10 ? 0 : crew[1] != 0;
178 		crew[2] = men%10 ? 0 : crew[2] != 0;
179 	} else {
180 		crew[0] = crew[0] != 0;
181 		crew[1] = crew[1] != 0;
182 		crew[2] = crew[2] != 0;
183 	}
184 	foreachship(sp) {
185 		if (sp == ms || sp->file->dir == 0 || range(ms, sp) > 1)
186 			continue;
187 		if (ms->nationality == capship(sp)->nationality)
188 			continue;
189 		if (meleeing(ms, sp) && crew[2]) {
190 			c = sgetch("How many more to board the $$? ",
191 				sp, 1);
192 			parties(sp, crew, 0, c);
193 		} else if ((fouled2(ms, sp) || grappled2(ms, sp)) && crew[2]) {
194 			c = sgetch("Crew sections to board the $$ (3 max) ?",
195 				   sp, 1);
196 			parties(sp, crew, 0, c);
197 		}
198 	}
199 	if (crew[2]) {
200 		c = sgetch("How many sections to repel boarders? ",
201 			(struct ship *)0, 1);
202 		parties(ms, crew, 1, c);
203 	}
204 }
205 
206 static void
207 parties(struct ship *to, int *crew, int isdefense, int buf)
208 {
209 	int k, j, men;
210 	struct BP *ptr;
211 	int temp[3];
212 
213 	for (k = 0; k < 3; k++)
214 		temp[k] = crew[k];
215 	if (isdigit(buf)) {
216 		ptr = isdefense ? to->file->DBP : to->file->OBP;
217 		for (j = 0; j < NBP && ptr[j].turnsent; j++)
218 			;
219 		if (j < NBP && !ptr[j].turnsent && buf > '0') {
220 			men = 0;
221 			for (k = 0; k < 3 && buf > '0'; k++) {
222 				men += crew[k]
223 					* (k == 0 ? 100 : (k == 1 ? 10 : 1));
224 				crew[k] = 0;
225 				if (men)
226 					buf--;
227 			}
228 			if (buf > '0')
229 				Msg("Sending all crew sections.");
230 			if (isdefense) {
231 				send_dbp(ms, j, turn, to->file->index, men);
232 			} else {
233 				send_obp(ms, j, turn, to->file->index, men);
234 			}
235 			if (isdefense) {
236 				for (k=0; k < NBP; k++)
237 					display_set_dbp(k,
238 							 temp[k] && !crew[k]);
239 				makemsg(ms, "repelling boarders");
240 			} else {
241 				for (k=0; k < NBP; k++)
242 					display_set_obp(k,
243 							 temp[k] && !crew[k]);
244 				makesignal(ms, "boarding the $$", to);
245 			}
246 		} else
247 			Msg("Sending no crew sections.");
248 	}
249 }
250